He was charged under the Criminal Law Act and Computer Misuse Act by the Met Police's e-crime unit.

The charges against Mr Cleary include conspiring with other unknown people on or before 20 June to construct a botnet - a collection of hijacked home computers - to conduct distributed denial of service attacks.

He is also charged with making, adapting, supplying or offering to supply a botnet, intending that it should be used to commit, or to assist in the commission of a distributed denial of service attack.

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The teenager has been remanded in police custody for three days